Home
Class 12
CHEMISTRY
Nickel metal is added to a solution cont...

Nickel metal is added to a solution containign 1.0 m `Pb^(2+)(aq)` and `1.0 M `Cd^(2+)(aq)`. Use the standard reduction potentials to determine which reaction(s) will occur.
Reaction 1: `Ni(s) + Pb^(2+)(aq) rightarrow Pb(s) + Ni^(2+)(aq)`
Reaction 2: `Ni(s) + Cd^(2+)(aq) rightarrow Cd(s) + Ni^(2+)(aq)`
`{:("Reaction", E^(@)), (Pb^(2+)(aq) + e^(-) rightarrow Pb(s) , -0.13V), (Ni^(2+)(aq) + 2e^(-) rightarrow Ni(s), -0.23V), (Cd^(2+)(aq) + 2e^(-) rightarrow Cd(s), -0.40V):}`

A

1 only

B

2 only

C

Both 1 and 2

D

Neither 1 nor 2

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Latimer Diagram, concentration cells|117 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Subjective type|39 Videos

  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos

  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

Use the information in the table and calcualate E^(@) for this reaction. Ga(s) + 3Tl^(+)(aq) rightarrow 3Tl(s) + Ga^(3+) (aq) {: ("Reaction", E^(@)), (Ga^(3+)(aq) + 3e^(-) rightarrow Ga(s), -0.529V), (Tl^(+)(aq) + e^(-) rightarrow Tl(s), -0.336V):}

Given the standard reduction potentials, which statement is correct? {:(Cu^(2)(aq) + 2e^(-) rightarrow Cu(s), E^(@) = 0.34V), (2H^(+)(aq) + 2e^(-) rightarrow H_(2)(g), E^(@)= 0.0V), (Cr^(3+)(aq) + 2e^(-) rightarrow Cr(s),E^(@) = -0.73V):}

Given these standards reduction potentials, what is the free energy change (in kJ. Mol^(-) for the reaction: Pb(s) + 2Ag^(+)(aq) rightarrow Pb^(2+)(aq) + 2Ag(s) Ag^(+)(aq) + e^(-) rightarrow Ag(s) E^(@) = 0.80V Pb^(2+)(aq) + 2e^(-) rightarrow Pb(s) E^(@) = -0.13V

Ag^(+)(aq) + e^(-) rightarrow Ag(s) E^(@) = 0.80V Co^(2+)(aq) + 2e(-) rightarrow Co(s) E^(@) = -0.28V Use the standard reduction potentials to determine the standard potential for the reaction: Co(s) + 2Ag^(+)(aq_) rightarrow Co^(2+)(aq) + 2Ag(s)

Given these standard reduction potentials, what is the standard reduction potential for Co^(3+)(aq) + 3e^(-) rightarrow Co(s) ? Co^(3+)(aq) + e^(-) rightarrow Co^(2+)(aq) E^(@) = 1.82V Co^(2+)(aq) + 2e^(-) rightarrow Co(s) E^(@) = -0.28V

Use the standard reduction potentials to determine what is observed at the cathode during the electrolysis of a 1.0 M solution of KBr that contains phenolphthalein. O_(2)(g) + 4H^(+)(aq) + 4e^(-) rightarrow 2H_(2)O(l) E^(@) = 1.23V Br_(2)(l) + 2e^(-) rightarrow 2Br^(-)(aq) E^(@) = 1.07V 2H_(2)O(l) + 2e^(-) rightarrow H_(2)(g) + 2OH^(-) E^(@0 = -0.80V K^(+) (aq) + e^(-) rightarrow K(s) E^(@) = -2.92V

Use the standard reduction potentials: Sn^(2+)(aq) + 2e^(-) rightarrow Sn(s) E^(@) = -0.141V Ag^(+)(aq) + e^(-) rightarrow Ag(s) E^(@) = 0.800V To calcultate E^(@) for the reaction: Sn(s) + 2Ag^(+)(aq) rightarrow Sn^(2+)(aq) + 2Ag(s)

What is the standard cell potential for the reaction, 2Cr(s) + 3Sn^(2+)(aq) rightarrow 3Sn(s) + 2Cr^(3+)(aq) given the E^(@) values shown?

GRB PUBLICATION-ELECTROCHEMISTY-Galvanic Cell and Salt Bridge
  1. Al^(3+)(aq) + 3e^(-) rightarrow Al(s) E^(@) = -1.66V Cu^(2+)(aq) + 2...

    Text Solution

    |

  2. Use the information in the table and calcualate E^(@) for this reactio...

    Text Solution

    |

  3. Nickel metal is added to a solution containign 1.0 m Pb^(2+)(aq) and 1...

    Text Solution

    |

  4. Which of the half reactions, when coupled, will make a galvanic cell t...

    Text Solution

    |

  5. Cu metal displaces Ag^(+)(aq) from its aqueous solution. Which of the ...

    Text Solution

    |

  6. Au^(3+) + 3^(-) rightarrow Au(s) E^(@) = 1.50V Cu^(2+) + 2e^(-) righ...

    Text Solution

    |

  7. Use the standard reduction potentials to determine what is observed at...

    Text Solution

    |

  8. Three metals, A, B and C, with solutions of their respective cations a...

    Text Solution

    |

  9. According to the reductions potentials in the table below, which state...

    Text Solution

    |

  10. Sn^(4+)(aq) + 2e^(-) rightarrow Sn^(2+)(aq) E^(@) = 0.15V Cr^(3+)(aq...

    Text Solution

    |

  11. Which two substances react spontaneously?

    Text Solution

    |

  12. An unknown mtal, M, and its salt, M(NO(3)(2)are combined with a half-c...

    Text Solution

    |

  13. According to the standard reduction potentials: Pb^(2+)(aq) + 2e^(-)...

    Text Solution

    |

  14. Which expression gives the correct value of the standard potential for...

    Text Solution

    |

  15. Consider the following reactions: X(NO(3)(2) + Y rightarrow X + Y(NO...

    Text Solution

    |

  16. When connected to a Standard Hydrogen Electrode (SHE) electrons flow f...

    Text Solution

    |

  17. Given these standards reduction potentials, what is the free energy ch...

    Text Solution

    |

  18. Given the standard reduction potentials, which statement is correct? ...

    Text Solution

    |

  19. In a galvanic cell in which the following spontaneous reaction takes p...

    Text Solution

    |

  20. For a galvanic cell involving the half-reaction at standard conditions...

    Text Solution

    |